Chapter 2,
Calibration
The Ultima/Ultima X Series Gas Monitor provides non-intrusive
calibration through the use of the Ultima Controller/Calibrator.
When calibrating any Ultima/Ultima X Series Gas Monitor which has
any accessory attached to it, refer to the accessory manual for complete
calibration instructions. Some accessories for the Ultima/Ultima X
Series Gas Monitor include:
• Ultima Sampling Module
• Ultima Auto-Cal Module.
While factory calibration is standard practice for the Ultima/Ultima X
Series Gas Monitors, it is recommended to perform an INITIAL
calibration when first placing the unit into operation. Refer to the
"Initial Calibration" portion of this Chapter.
It is good practice to read the appropriate calibration instructions before
attempting an actual calibration. Also, identify and become familiar with
all of the calibration components. During the calibration, it is necessary
to quickly apply the span gas to the unit. Prior connection of the
calibration components will aid in ease of unit calibration.
Equipment Required
Three calibration kits (numbered 40, 41, and 54; see FIGURES 2-1, 2-2,
and 2-3) are available from MSA for diffusion Ultima/Ultima X Series
Gas Monitors. Kit 40, 41, and 54 are housed in a convenient carrying
case and contain all items necessary (less gas) for a complete and
accurate calibration.
These Kits do not calibrate Ultima Sampling Modules or an
Ultima/Ultima X Series unit equipped with a flow cap. For flow or
sample module systems, refer to the Ultima Aspirated Sampling Module
Manual (P/N 710200) or to the Ultima DC Pump Sampling Module
Manual (P/N 710201).
NOTE: The calibration procedure for the sample draw Ultima XE/XA
Monitor is the same as the procedure for the diffusion version,
except calibration gas is applied to the calibration entry port of
the inlet flow block, and the cal kit for pumped units provides a
flow matching regulator.
2-1
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